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<head>
    <meta charset="UTF-8">
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          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
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    <title>Document</title>
</head>
<body>
<script>
    var arr = [
        {value: "你好"},
        {value: "haha"},
        {value: "fdkjf"}
    ];

    var arr2 = [];
    //    arr.forEach((e => {
    //        //        console.log(e);
    ////        for (var k in e) {
    ////            console.log(e[k]);
    ////            k = ' " ' + k + '"'
    ////            console.log(k);
    ////
    ////        }
    //
    //    }))
    for (var i = 0; i < arr.length; i++) {
        arr2[i] = {'value': arr[i].value};
    }
    console.log(arr2);
</script>
</body>
</html>